Electro Magnetic Flowmeter

Electro Magnetic Flowmeters are based on Faraday’s Law of Electromagnetic Induction. When the conductive fluid flows through a magnetic field of the sensor, an electric voltage proportional to the volume flow is generated between the pair of electrodes and transmitted to the output device.

  • The flow and volume will be displayed at the electronic transmitter
  • No disturbance or restriction of flow
  • No moving parts – no wear and tear, virtually no pressure loss
  • Insensitive to fluid density, temperature, pressure, viscosity
  • Can be used for different types of conductive liquids (calibration with water required)

Applications: flow and energy measurement for water based liquids, (conductive liquids)

Variable Area Flowmeter

The float of a VA Flowmeter easily moves up and down in the conical measuring tube. The vertical position of the float, obtained as a function of the flow velocity of the measuring media, is an indication of the flow rate. This flow rate can be read directly on the scale of the measuring tube.

Turbine Flowmeter

Fluid entering the meter first passes through an inlet flow straightener that reduces its turbulent flow pattern. Fluid then passes through the turbine, causing the turbine to rotate at a speed proportional to fluid velocity. As each turbine blade passes through the magnetic field generated by the meter’s magnetic pickup, an AC voltage pulse is generated. These pulses provide an output frequency that is proportional to volumetric flow.

  • High accuracy, ±0.2%, ±0.5%, ±1.0%
  • Small, compact and lightweight, easy install and maintenance, wide range
  • opt. Sanitary Versions: clamp-on, anti corrosive material

Notice: for clean water or oil based applications, a filter is necessary if the liquid is not clean (containing solid particles, etc.)

Turbine Flow Meters are also availabe for Gas Applications.

Gas Turbine Flowmeter

The operation of the International Gas Turbine Meter is based on the measurement of the velocity of gas. The flowing gas is accelerated and conditioned by the meters straightening section. The straightening vanes prepare the gas flow profile by removing. undesired swirl, turbulence and asymmetry before the gas flows to the turbine wheel. The dynamic forces of the flowing fluid cause the rotor to rotate.

The turbine wheel is mounted on the main shaft, with special high precision, low friction ball bearings. The turbine wheel has helical blades that have a known angle relative to the gas flow. The conditioned and accelerated gas drives the turbine wheel with an angular velocity that is proportional with the gas velocity.

  • 180 degrees rotatable head, and easy installation and maintenance
  • Good repeatability: 0.05%~0.2% for short period
  • Temperature and pressure compensation available

For unclean media we advise to use a filter.

Coriolis Mass

This unique combination of design and in-built technology gives outstanding performance and accurate results for extreme applications with

  • very high pressure, changing pressure 
  • external vibration and tensions
  • very low flow rates, (big amplitudes excellent signal to noise ratio)
  • high temperature
  • corrosive and abrasive media 
  • extreme resistance to gas bubbles in liquid streams 
  • multi-functional measurement (density, temperature) 
  • fiscal custody transfer  

 Rheonik Mass flow meters are reliable:

  • safe and stable with long life cycles
  • low maintenance
  • low energy consumption, (typically less than 300 mW, intrinsically safe)
  • ATEX and CSA approval for hazardous areas

Features

  • Flow rates from 30 g/min to 1500 tonnes/hr
  • Diameters  from ½” up to 12 inch (DN 300)
  • Pressure over 1,000 bar (14,500 psi)
  • Temperature from -196°C to +395°C 
  • Hazardous area certified versions available (intrinsically safe, ATEX, CSA etc.)
  • Available in stainless steel, Alloy C22, Duplex, Tantalum, Monel, others
  • variety of Transmitters (analog, digital, serial, HART, LCD output)

Flap Flowmeter

The primary measuring element is a flap, which is deflected by the flow of the medium. The deflection angle is a direct indication of the flow through the pipe.

Thermal Gas Flowmeter

Fixed and portable consumption measurement in compressed air, nitrogen, natural gas, methane, helium, argon, carbon dioxide, hydrogen, SF6; measuring laminar flow, burner supply air, leakage flows; monitoring safety-related installations, also in aeronautical applications.

  • for use in air, compressed air, nitrogen, natural gas, methane, deposit gas, argon, helium, propane, butane, CO2, SF6
  • probe for pipeline installation from Di 25 mm, measuring tube from Di 8 mm measurement of gas mass flow
  • standard flow velocity 0.08 m/s to 200 m/s, volume flow up to 0.04 m3/h
  • time constant of under 1 s
  • for applications in Ex areas
  • M-Bus, WLAN

Vortex Gas Flowmeter

Flow rate and flow velocity measurement in wet and/or particulate-laden gases, biogas or exhaust gas, also according to Clean Air Guidelines, (TA Luft). Flow rate measurement of sludge aeration air, sewage gas, landfill gas, water vapour and engine intake air on test stations, superheated steam. Flow velocity in climatic wind tunnels, diluted car exhaust gas, traffic tunnels and in nuclear reactor technology.

  • for application in condensate and particle laden aggressive gases 
  • probe for pipeline installation from Di 80 mm, measuring tube from Di 25 mm
  • combi probes for flow and temperature
  • sensor with no moving parts
  • German TA Luft 13&17, SIL, Ex Certificates
  • time constant 65 ms
  • low pressure drop

Vortex Flowmeter

Vortex Flowmeters measure the volumetric flow of fluids (gases, vapors, liquids) in closed pipes. It is based on the Vortex shedding principle, (or Karman Vortex Effect). The fluid passing through the measuring tube is separated by a triangular prism with a broad flat front and generates two lines of eddies or vortices, the Karman Vortex shedding street. The vortex shedding frequency is proportional to the flow rate.It is detected by a sensor with 4 piezo-electric elements and converted into an electronic output signal.

Ultrasonic Clamp-On Flowmeter

for permanent installation

Ultrasonic Clamp-On Flowmeter series measure the velocity of a wide range of liquids and pipe sizes up to 5000 mm diameter with high accuracy and reliability to calculate the volume flow. The clamp-on transducer with a high quality PEI sensor can be easily connected outside the pipe during flow operation without interruption of the pipe flow. No pipe cutting or adjustment is required. Maintenance is low as there are no moving parts involved in the non-intrusive ultrasonic measuring process.

for portable installation

The Schmierer SEA UFP1.0 portable clamp-on ultrasonic flowmeter is the ideal flow measurement tool for short or long-term monitoring of several flow points, data logging and verification of buit-in flowmeters. 
The transducers are easily set up and can be used for pipe sizes from DN 25 to 5000. The ergonomically designed handheld transmitter comes with a metal protection case against corrosion and a backlit color digital display. The recharchable battery  lasts for 12 hours of continuous operation.

Vane Wheel Gas Flowmeter

For measuring the flow rate and flow velocity in pipes and ducts, flow profiles, aerodynamic research, laminar flow, also at high gas temperatures, landfill gas, exhaust gas, flow rate and flow velocity in flowing waters. Based on a vane wheel rotating at a speed proportional to the flow velocity of the fluid

  • for application in air/gases and water/liquids
  • probe diameter from 15 mm, measuring tube from 9.7 mm
  • Combi probes for flow and temperature
  • working temperatures up to +550 ºC
  • corrosion resistant to aggressive gases – low pressure drop
  • ± directional sensing of flow
  • Profibus
  • for applications in Ex areas

BYPASS

The bypass flow meter operates on the differential-pressure method. A ring with an orifice plate is installed in the pipeline. The orifice plate causes constriction of the flow and effects a drop in pressure. This pressure drop is proportional to the square of the flow rate.

If the pressure tap upstream of the orifice plate is connected by a pipe to that downstream of the orifice plate, a partial flow will flow through that pipe. This partial flow is proportional to the flow rate in the main pipeline.

The partial flow can be turned on and off, as required, by installing two ball valves in the bypass line.

The low-cost device in PVC is frequently used in swimming-pool water technology. The device in PVDF is suitable for the flow measurement of aggressive media, e.g. in water treatment, while the stainless steel type  is mainly used for flow measurement of air and gases. The measuring range extends from 0.02 – 0.16 m3/h to 300 – 1800 m3/h for H20, and from 0.15 m3/h – 1.5 to 1200 – 6000 m3/h for air at STP.

Positive Displacement

Positive Displacement Flowmeters are precise, reliable and rugged instruments for the volumetric flow of clean liquids including Solvents, Alcohols, Fuels, Oils, additives, chemicals, food bases, paints and viscous emulsions in general industrial, petroleum and chemical applications that require high degrees of accuracy and repeatability. They operate on the Positive Displacement principle using a gear technology (oval gear, tri gear, helical gear), or a sliding/rotary vane or bi-rotor alternative. Each rotation of a gear, (or vane) is proportional to a discrete unit of volume, in turn, the speed at which the gears rotate is directly proportional to flowrate. Output sensors (e.g. Reed and Hall Effect sensors) detect the movement of the gears, thus allowing local or remote instruments to display flow total, rate of flow or facilitate batching applications.

WEDGE TUBE

Compared to other fluid meter using differential pressure flow meter, the Wedge Tube has a shorter length of straight pipe for upstream & downstream with excellent repeatability and accuracy. Wedge Tube can be manufactured according to end user‘s specification.Compared to other fluid meter using differential pressure flow meter, the Wedge Tube has a shorter length of straight pipe for upstream & downstream with excellent repeatability and accuracy. Wedge Tube can be manufactured according to end user‘s specification.

Intra Automation offers a wide range of Flow Computers, Displays, Transmitters, Switches and Accessories for Flow Calculation, Monitoring and Control.

CONE

Cone Flow Meters can be used in a great variety of applications: liquids, gases, steam, slurries, etc. 

– High accuracy (± 0,5 % of the measured value) is achievable
– Wide Turndown Ratio: 10:1
– Minimal in- and outlet requirements, provided by a pipe run.
– Low pressure loss (compared with orifice plates of the same β)
– Self-cleaning (due to the form of the cone behind the flow element a partial vacuum is generated, which avoids         abrasion on the flow element .

FLOW NOZZLES

Flow Nozzles are an alternative to orifice plates whenever it comes to the measurement of high speed flows.Flow Nozzles are an alternative to orifice plates whenever it comes to the measurement of high speed flows.Its unique design features gives an exceptional strength, allowing a 60% higher flow rate. Compared with the venturi tube, the flow nozzle is cheaper, whereby the pressure recovery is not as high. Similar to venturi tubes, flow nozzles are maintenance free. Used for applications which do not support high pressures and therefore do not allow much pressure loss. Allows flow-measurements of gases, steam, water and condensates.

VENTURI TUBES

Whenever pressure loss is an issue, Venturi Tubes are a good alternative to Orifice Assemblies and Flow Nozzles.Venturi tubes are designed and produced on customers request. The significant advantages of venturi tubes are the high pressure recovery and maintenance free design. Used for applications which do not support high pressures and therefore do not allow much pressure loss. Allows flow-measurements of gases, steam, water, condensates and slurries.

ORIFICE and ORIFICE ASSEMBLIES

Orifice plates are used for flow rate measuring in pipe systems. With orifice plates a pressure drop is created. Orifice plates are used for flow rate measuring in pipe systems. With orifice plates a pressure drop is created.  Based on the value of the pressure drop the flow rate can be calculated. Orifice plates are produced in accordance with ISO 5167. All the above items are available in C.S., SUS, PTFE, PVC, others on request.In combination with differential pressure transmitter Integral Orifices are suitable for measuring fluid of small bore where high accuracy is required. Integrated flow meters reduce welding and installation times as fittings, tubing, valves, adapters and mounting brackets are not needed.

Sight Glasses

Side Glasses are designed to visually monitor volume flows for common/high velocity, flow direction, high temperature or high pressure applications. 
Types: Flapper, Ball, Ringball, Lantern, High Pressure Sight Glasses

ITABAR PITOT TUBE

The measuring principle of a  Pitot Tube is based on the theory of differential pressure. A simple, though effective measurement method, combining low installation and operation cost with great reliability, for Gas, Liquid and Steam Flow monitoring.The measuring principle of a  Pitot Tube is based on the theory of differential pressure. A simple, though effective measurement method, combining low installation and operation cost with great reliability, for Gas, Liquid and Steam Flow monitoring.Itabar Steam Flow Sensors are designed to operate in environments with temperatures up to 650°C and 400 bar pressure. Itabar Liquid and Gas Flow Sensors are designed to operate in environments with temperatures up to 1175°C and 400 bar pressure. The process connection can be threaded or flanged. Intra Automation offers the choice of different sensors, depending on line size and flow. The WinFlow calculation software is applied in the determination of the sensor size.

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